Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 //....oooOO0OOooo........oooOO0OOooo........oo 28 //....oooOO0OOooo........oooOO0OOooo........oo 29 30 #include "SteppingAction.hh" 31 32 #include "DetectorConstruction.hh" 33 #include "EventAction.hh" 34 35 #include "G4Step.hh" 36 37 //....oooOO0OOooo........oooOO0OOooo........oo 38 39 SteppingAction::SteppingAction(DetectorConstru 40 :G4UserSteppingAction(),detector(det),eventAct 41 { 42 first = true; 43 lvol_world = lvol_module = lvol_layer = lvol 44 } 45 46 //....oooOO0OOooo........oooOO0OOooo........oo 47 48 SteppingAction::~SteppingAction() 49 {} 50 51 //....oooOO0OOooo........oooOO0OOooo........oo 52 53 void SteppingAction::UserSteppingAction(const 54 { 55 //some initialisation 56 // 57 if (first) { 58 lvol_world = detector->GetLvolWorld(); 59 lvol_module = detector->GetLvolModule(); 60 lvol_layer = detector->GetLvolLayer(); 61 lvol_fiber = detector->GetLvolFiber(); 62 first = false; 63 } 64 65 //if no edep, return 66 // 67 G4double edep = step->GetTotalEnergyDeposit() 68 ///if (edep == 0.) return; 69 70 //locate point in geometry 71 // 72 G4int iModule = 0; 73 G4int iLayer = 0; 74 G4int iFiber = 0; 75 76 G4TouchableHandle touch1 = step->GetPreStepPo 77 G4LogicalVolume* lvol = touch1->GetVolume()-> 78 79 if (lvol == lvol_world) return; 80 else if (lvol == lvol_module) { iModule = tou 81 else if (lvol == lvol_layer) { iLayer = tou 82 iModule = tou 83 else if (lvol == lvol_fiber) { iFiber = tou 84 iLayer = tou 85 iModule = tou 86 87 // sum edep 88 // 89 eventAct->SumDeStep(iModule, iLayer, iFiber, 90 } 91 92 //....oooOO0OOooo........oooOO0OOooo........oo 93 94 G4double SteppingAction::BirksAttenuation(cons 95 { 96 //Example of Birk attenuation law in organic 97 //adapted from Geant3 PHYS337. See MIN 80 (19 98 // 99 const G4Material* material = aStep->GetTrack( 100 G4double birk1 = material->GetIonisatio 101 G4double destep = aStep->GetTotalEnergyD 102 G4double stepl = aStep->GetStepLength() 103 G4double charge = aStep->GetTrack()->Get 104 // 105 G4double response = destep; 106 if (birk1*destep*stepl*charge != 0.) 107 { 108 response = destep/(1. + birk1*destep/step 109 } 110 return response; 111 } 112 113 //....oooOO0OOooo........oooOO0OOooo........oo 114 115